Laws of Gas Diffusion in Coal Particles: A Study Based on Experiment and Numerical Simulation

Table 2

Parameter values of and .

Initial pressure (MPa)	4-5 mesh		15-16 mesh		30-35 mesh		50-60 mesh
	1	5.49	0.77	7.94	0.83	5.59	1.39	4.10	3.43
2	9.71	0.99	12.50	1.48	9.17	1.56	7.81	4.41
4	19.23	1.63	15.38	2.24	13.69	2.81	12.05	4.61